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Q.

State whether the following statement is true or false:


Diamond glitters because of its high refractive index.


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a

True

b

False 

answer is A.

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Detailed Solution

The given statement is true.
Concept- The refractive index of a material tells us about how fast light travels through that particular material. The refractive index of diamond is very high and is approx. 2.147.
Due to its high refractive index, the critical angle of diamond is very small and so the light incident on the diamond gets internally reflected an infinite number of times and this is the reason why it shines and sparkles.
Hence, the given statement is true.
 
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State whether the following statement is true or false:Diamond glitters because of its high refractive index.